"Results are already visible."

NEW DELHI -- Battling the opposition's criticism on its sudden move to ban the big currency notes to check black or untaxed money, Economic Affairs Secretary Shaktikanta Das on Friday said the people who are indulging in or colluding with money laundering or converting black money into white will not be spared.

"Those indulging in or colluding with money laundering or converting black money into white will not be spared," Das tweeted.

Those indulging in or colluding with money laundering or converting black money into white will not be spared.

In the biggest seizure of cash in new currency post demonetisation, the Income Tax department on Thursday confiscated over ₹4.7 crore during searches in a dozen premises in Bengaluru and other locations.

Also the Delhi Police on 23 November seized over ₹3.5 crore in high value demonetised currency notes from three persons in north Delhi's Kashmere Gate.

On 20 November, a man was detained on west Delhi's Tikri border while he was driving towards Haryana in a SUV with a bag containing ₹49,96,000.

On 18 November, Nazer-e-Alam, a resident of Gorakhpur, was arrested with ₹96 lakh in old currency notes of ₹1,000 denominations. He was carrying a bag with ₹96 lakh and couldn't offer any satisfactory explanation for possessing such a huge amount of cash.

On 17 November, police had seized 500 demonetised notes of ₹1,000 denominations from an employee of a West Bengal-based firm, onboard Sealdah-Delhi Rajdhani train.

Police had detained a paediatrician with ₹69,86,000 in ₹100 denominations in central Delhi's Paharganj area on 16 November.